Handle of a tool



FIG. 1 is a front-right-top perspective view of the handle of a tool, showing my new design;

FIG. 2 is a front elevational view thereof; (the rear side being a mirror image thereof)

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for the handle of a tool, as shown and described. 